Young and Middle Adulthood 35Brissette, I., Scheier, M. F., & Carver, C. S. (2002). The role of optimism in social network develop-
ment, coping, and psychological adjustment during a life transition. Journal of Personality and
Social Psychology, 82 , 102– 111.
Byrne, D. (1971). The attraction paradigm. New York, NY: Academic.
Carbery, J., & Buhrmester, D. (1998). Friendship and need fulfillment during three phases of young
adulthood. Journal of Social and Personal Relationships, 15 , 393– 409.
Carstensen, L. L. (1995). Evidence for a life- span theory of socioemotional selectivity. Current
Directions in Psychological Science, 4 , 151– 156.
Clark, M. S. (1984). Record keeping in two types of relationships. Journal of Personality and Social
Psycholog y, 47 , 549– 557.
Clark, M. S., & Mills, J. (1979). Interpersonal attraction exchange and communal relationships.
Journal of Personality and Social Psychology, 37 , 12– 24.
Clark, M. S., Mills, J., & Powell, M. C. (1986). Keeping track of needs in communal and exchange
relationships. Journal of Personality and Social Psychology, 51 , 333– 338.
Degenne, A., & Lebeaux, M. (2005). The dynamics of personal networks at the time of entry into
adult life. Social Networks, 27 , 337– 358. doi: 10.1016/ j.socnet.2004.11.00
Denissen, J. J., & Penke, L. (2008). Motivational individual reaction norms underlying the Five-
Factor model of personality: First steps towards a theory- based conceptual framework. Journal
of Research in Personality, 42 , 1285– 1302.
Fehr, B. (1996). Friendship processes. Thousand Oaks, CA: Sage.
Fehr, B. (2000). The life cycle of friendship. In C. Hendrick & S. S. Hendrick (Eds.), Close relation-
ships (pp. 71– 82). Thousand Oaks, CA: Sage.
Festinger, L., Back, K. W., & Schachter, S. (1950). Social pressures in informal groups: A study of
human factors in housing. Stanford, CA: Stanford University Press.
Fiori, K. L., Smith, J., & Antonucci, T. C. (2007). Social network types among older adults: A mul-
tidimensional approach. Journal of Gerontology, 62B, 322– 330. doi: 10.1093/ geronb/
62.6.P322
Floyd, K. (1995). Gender and closeness among friends and siblings. Journal of Psychology, 129 ,
193– 202.
Fraley, R ., & Davis, K. E. (1997). Attachment formation and transfer in young adults’ close friend-
ships and romantic relationships. Personal Relationships, 4 , 131– 144. doi: 10.1111/ j.1475-
6811.1997.tb00135.x
Fraley, R. C., Roisman, G. I., Booth- LaForce, C., Owen, M. T., & Holland, A. S. (2013). Interpersonal
and genetic origins of adult attachment styles: A longitudinal study from infancy to early adult-
hood. Journal of Personality and Social Psychology, 104 , 817– 838. doi: 10.1037/ a0031435
Gouldner, A. W. (1960). The norm of reciprocity: A preliminary statement. American Sociological
Review, 25 , 161– 178.
Harris, J. R. (1995). Where is the child’s environment? A group socialization theory of develop-
ment. Psychological Review, 102 , 458– 489. doi: 10.1037/ 0033- 295X.102.3.458
Hartup, W. W., & Stevens, N. (1997). Friendships and adaptation in the life course. Psychological
Bulletin, 121 , 355– 370.
Hays, R. B. (1985). A longitudinal study of friendship development. Journal of Personality and Social
Psycholog y, 48 , 909– 924.
Hooker, K., & McAdams, D. P. (2003). Personality reconsidered: A new agenda for aging research.
Journals of Gerontology, 58B, 296– 304.
Johnson, M. A. (1989). Variables associated with friendship in an adult population. Journal of Social
Psycholog y, 129 , 379– 390.
Johnson, M. P., & Leslie, L. (1982). Couple involvement and network structure: A test of the dyadic
withdrawal hypothesis. Social Psychology Quarterly, 45 , 34– 43. doi: 10.2307/ 3033672
Jonkmann, K., Thoemmes, F., Lüdtke, O., & Trautwein, U. (2014). Personality traits and living
arrangements in young adulthood: Selection and socialization. Developmental Psychology, 50 ,
683– 698. doi: 10.1037/ a0034239